BACKGROUND The MeOH extracts from aerial part and roots of Rhinacanthus nasutus were investigated for new biological activities. MATERIALS AND METHODS The MeOH extract of the root was stepwise separated by organic solvents into n-hexane, EtOAc, n-BuOH and H(2)O layer fractions. Cytotoxic activity against human tumor and normal cells was determined by the MTT method. Nitric oxide (NO) was dete...

The impacts of aqueous extracts from different parts (root, stem, leaf and fruit) of bitter apple Citrullus colocynthis (Cucurbitales: Cucurbitaceae), with five different concentrations, on controlling the bird cherry-oat aphid, Rhopalosiphum padi (L.) (Homoptera: Aphididae) were investigated under laboratory conditions. Results showed that the effects of the aqueous extracts from different par...

root rot is one of the important diseases of bean in zanjan province and two fungal pathogens, rhizoctonia solani and fusarium solani are the major causal agents of this disease in the region. in this research, the inhibitory effect of n-hexane, di-ethyl-ether, chloroform and ethanol extracts of five plant species, hermel (peganum harmala), thyme (thymus kotschyanus), yarrow (achillea wilhelmsi...

introduction: the aim of this study was to compare the antibacterial effect of persian green tea extract (gte) and 2.5% sodium hypochlorite (naocl) against enterococcus faecalis ( e. faecalis ) as an intracanal irrigant. methods and materials: thirty freshly extracted teeth were instrumented and sectioned into mesial and distal segments. the specimens were put into wells containing 2 ml of e. f...

This paper des ribes four re ent papers on lustering, ea h of whi h approa hes the lustering problem from a di erent perspe tive and with di erent goals. It analyzes the strengths and weaknesses of ea h approa h and des ribes how a user ould ould de ide whi h algorithm to use for a given lustering appli ation. Finally, it on ludes with ideas that ould make the sele tion and use of lustering alg...

AIM The roots of Potentilla fulgens Wall. ex Hook. (Rosaceae) have been used in the indigenous system of medicine in Northeast India to treat diarrhea. The aim of this study was to investigate the safety and protective effects of P. fulgens root extract in experimentally induced diarrhea in mice. MATERIALS AND METHODS The protective effects of P. fulgens root extract was investigated against ...